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Air Disinfection for Airborne Infection Control with a Focus on Covid-19: Why Germicidal UV is Essential

Aerosol transmission is now widely accepted as the principal way that Covid-19 is spread, as has the importance of ventilation – natural and mechanical. But in other than health care facilities, mechanical ventilation is designed for comfort, not airborne infection control, and cannot achieve the 6 to 12 room air changes per hour recommended for airborne infection control. More efficient air filters have been recommended in ventilation ducts despite a lack of convincing evidence that SARS-CoV-2 virus spreads through ventilation systems. Most transmission appears to occur in rooms where both an infectious source Covid-19 case and other susceptible occupants…
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